In the sentences extracted from financial agreements in U.S. SEC filings, identify the named entities that represent a person ('PER'), an organization ('ORG'), or a location ('LOC'). The required answer format is: 'entity name, entity type'.
Text: The dredging provides access and berthing areas at the pier which extends towards shore from the Corps of Engineers ' pierhead line .
Answer:
Corps of Engineers, ORG
O O O O O O O O O O O O O O O O B-ORG I-ORG I-ORG O O O O
The dredging provides access and berthing areas at the pier which extends towards shore from the Corps of Engineers ' pierhead line .